Precision 1.85 mm Male-to-Male RF Coaxial Adapter, DC–67 GHz

P/N:  VST-A-185M185M-01

– DC–67 GHz coverage for 1.85 mm mmWave test connections
– Dual-plug format bridges two matching female interfaces
– VSWR ≤ 1.25 supports low-reflection inline RF paths
– Symmetric 27.2 mm body with dual 6H coupling threads
– Suitable for VNA fixtures and module-level female-port links

Engineering Note
VST-A-185M185M-01 is a precision 1.85 mm male-to-male RF coaxial adapter for bridging two female interfaces in DC–67 GHz measurement paths. Its symmetric dual-plug configuration, 50 Ω design, VSWR ≤ 1.25, 27.2 mm body, dual M7 × 0.75-6H coupling threads, PEI dielectric, and stainless steel coaxial construction support VNA fixtures, back-to-back test connections, and mmWave module verification.

Technical Specifications

Model VST-A-185M185M-01
Product Type Precision RF coaxial adapter
Interface 1.85 mm Plug to 1.85 mm Plug (Male-to-Male)
Frequency Range DC–67 GHz
Impedance 50 Ω
VSWR ≤ 1.25
Dielectric Withstand Voltage 350 Vrms
Insulation Resistance 5000 MΩ
Overall Length 27.2 mm
Coupling Thread M7 × 0.75-6H, both ends
Dielectric PEI
Outer Conductor Stainless steel, passivated
Center Conductor Beryllium copper, gold-plated

Target Applications

Female-Port VNA Fixture Links

Dual 1.85 mm plugs bridge two female interfaces while keeping the connection within the DC–67 GHz measurement class.

Back-to-Back Test-Fixture Coupling

The symmetric 27.2 mm format provides a defined straight connection between facing female fixture ports.

mmWave Module Verification

VSWR ≤ 1.25 and 50 Ω impedance support short module-level paths that require male interfaces at both ends.

High-Frequency Laboratory Links

Dual M7 × 0.75-6H coupling threads support controlled assembly between instruments, fixtures, and precision coaxial accessories.

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